DPDK patches and discussions
 help / color / mirror / Atom feed
From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: Tiwei Bie <tiwei.bie@intel.com>
Cc: zhihong.wang@intel.com, jfreimann@redhat.com, dev@dpdk.org,
	mst@redhat.com, jasowang@redhat.com, wexu@redhat.com
Subject: Re: [dpdk-dev] [PATCH v7 09/15] vhost: add shadow used ring support for packed rings
Date: Thu, 5 Jul 2018 14:49:34 +0200	[thread overview]
Message-ID: <7b2e9f2f-cefd-c4d5-2995-28f3353e49b4@redhat.com> (raw)
In-Reply-To: <20180705071508.GA21112@debian>



On 07/05/2018 09:15 AM, Tiwei Bie wrote:
> On Wed, Jul 04, 2018 at 11:54:32PM +0200, Maxime Coquelin wrote:
> [...]
>> +
>> +static __rte_always_inline void
>> +flush_shadow_used_ring_packed(struct virtio_net *dev,
>> +			struct vhost_virtqueue *vq)
>> +{
> [...]
>> +}
>> +
>> +static __rte_always_inline void
>> +update_shadow_used_ring_packed(struct vhost_virtqueue *vq,
>> +			 uint16_t desc_idx, uint16_t len, uint16_t count)
>> +{
>> +	uint16_t i = vq->shadow_used_idx++;
>> +
>> +	vq->shadow_used_packed[i].id  = desc_idx;
>> +	vq->shadow_used_packed[i].len = len;
>> +	vq->shadow_used_packed[i].count = count;
>>   }
>>   
> 
> I met below build errors in this patch when doing
> per-patch build test with clang:
> 
> lib/librte_vhost/virtio_net.c:134:1: error: unused function 'flush_shadow_used_ring_packed'
>        [-Werror,-Wunused-function]
> flush_shadow_used_ring_packed(struct virtio_net *dev,
> ^
> lib/librte_vhost/virtio_net.c:188:1: error: unused function 'update_shadow_used_ring_packed'
>        [-Werror,-Wunused-function]
> update_shadow_used_ring_packed(struct vhost_virtqueue *vq,
> ^
> 
> It's better to add __rte_unused in this patch,
> and remove it when functions are used.
> 
> PS. I also saw similar errors with fill_vec_buf_packed()
>      in patch 11/15.
> 

Thanks for the report, I missed these build issues...
This is not fixed using __rte_unused as you suggested.

Maxime

  reply	other threads:[~2018-07-05 12:49 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-04 21:54 [dpdk-dev] [PATCH v7 00/15] Vhost: add support to packed ring layout Maxime Coquelin
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 01/15] vhost: add virtio packed virtqueue defines Maxime Coquelin
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 02/15] vhost: add helpers for packed virtqueues Maxime Coquelin
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 03/15] vhost: vring address setup for packed queues Maxime Coquelin
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 04/15] vhost: clear shadow used table index at flush time Maxime Coquelin
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 05/15] vhost: make indirect desc table copy desc type agnostic Maxime Coquelin
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 06/15] vhost: clear batch copy index at copy time Maxime Coquelin
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 07/15] vhost: extract split ring handling from Rx and Tx functions Maxime Coquelin
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 08/15] vhost: append shadow used ring function names with split Maxime Coquelin
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 09/15] vhost: add shadow used ring support for packed rings Maxime Coquelin
2018-07-05  7:15   ` Tiwei Bie
2018-07-05 12:49     ` Maxime Coquelin [this message]
2018-07-05 14:03       ` Tiwei Bie
2018-07-05 14:28         ` Maxime Coquelin
2018-07-05 14:36           ` Tiwei Bie
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 10/15] vhost: create descriptor mapping function Maxime Coquelin
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 11/15] vhost: add vector filling support for packed ring Maxime Coquelin
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 12/15] vhost: add Rx " Maxime Coquelin
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 13/15] vhost: add Tx " Maxime Coquelin
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 14/15] vhost: add notification " Maxime Coquelin
2018-07-05  5:12   ` Tiwei Bie
2018-07-05  7:20     ` Maxime Coquelin
2018-07-04 21:54 ` [dpdk-dev] [PATCH v7 15/15] vhost: advertize packed ring layout support Maxime Coquelin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=7b2e9f2f-cefd-c4d5-2995-28f3353e49b4@redhat.com \
    --to=maxime.coquelin@redhat.com \
    --cc=dev@dpdk.org \
    --cc=jasowang@redhat.com \
    --cc=jfreimann@redhat.com \
    --cc=mst@redhat.com \
    --cc=tiwei.bie@intel.com \
    --cc=wexu@redhat.com \
    --cc=zhihong.wang@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).